Dec 07 07:38:52.752 INFO testing maze-0.1.2 against try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468 for pr-56514
Dec 07 07:38:52.752 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt build --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 07:38:53.009 INFO [stdout] e442b30f5af2e7e4640538cde9ae94a896462cd04e9c1946b8cb562f5adef00b
Dec 07 07:38:53.011 INFO running `"docker" "start" "-a" "e442b30f5af2e7e4640538cde9ae94a896462cd04e9c1946b8cb562f5adef00b"`
Dec 07 07:38:53.392 INFO [stderr] usermod: no changes
Dec 07 07:38:53.723 INFO [stderr]    Compiling css-color-parser v0.1.2
Dec 07 07:38:53.761 INFO [stderr]    Compiling png v0.5.2
Dec 07 07:38:53.762 INFO [stderr]    Compiling hyper v0.9.12
Dec 07 07:38:56.504 INFO [stderr]    Compiling image v0.10.4
Dec 07 07:39:03.957 INFO [stderr]    Compiling iron v0.4.0
Dec 07 07:39:08.124 INFO [stderr]    Compiling persistent v0.2.1
Dec 07 07:39:08.124 INFO [stderr]    Compiling router v0.4.0
Dec 07 07:39:16.406 INFO [stderr]    Compiling imageproc v0.6.1
Dec 07 07:39:17.571 INFO [stderr]    Compiling bodyparser v0.4.1
Dec 07 07:39:21.345 INFO [stderr]    Compiling urlencoded v0.4.1
Dec 07 07:39:25.877 INFO [stderr]    Compiling maze v0.1.2 (/source)
Dec 07 07:39:32.236 INFO [stderr] warning: variable does not need to be mutable
Dec 07 07:39:32.236 INFO [stderr]    --> src/types/grid.rs:191:13
Dec 07 07:39:32.236 INFO [stderr]     |
Dec 07 07:39:32.236 INFO [stderr] 191 |         let mut grid = self;
Dec 07 07:39:32.236 INFO [stderr]     |             ----^^^^
Dec 07 07:39:32.236 INFO [stderr]     |             |
Dec 07 07:39:32.236 INFO [stderr]     |             help: remove this `mut`
Dec 07 07:39:32.236 INFO [stderr]     |
Dec 07 07:39:32.236 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 07:39:32.236 INFO [stderr] 
Dec 07 07:39:32.244 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 07 07:39:32.244 INFO [stderr]  --> src/lib.rs:2:12
Dec 07 07:39:32.244 INFO [stderr]   |
Dec 07 07:39:32.244 INFO [stderr] 2 | #![feature(proc_macro)]
Dec 07 07:39:32.244 INFO [stderr]   |            ^^^^^^^^^^
Dec 07 07:39:32.244 INFO [stderr]   |
Dec 07 07:39:32.244 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 07 07:39:32.244 INFO [stderr] 
Dec 07 07:39:46.267 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 52.86s
Dec 07 07:39:46.289 INFO [stderr] su: No module specific data is present
Dec 07 07:39:46.726 INFO running `"docker" "inspect" "e442b30f5af2e7e4640538cde9ae94a896462cd04e9c1946b8cb562f5adef00b"`
Dec 07 07:39:46.874 INFO running `"docker" "rm" "-f" "e442b30f5af2e7e4640538cde9ae94a896462cd04e9c1946b8cb562f5adef00b"`
Dec 07 07:39:47.008 INFO [stdout] e442b30f5af2e7e4640538cde9ae94a896462cd04e9c1946b8cb562f5adef00b
Dec 07 07:39:47.010 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen --no-run" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 07:39:47.346 INFO [stdout] 5363f943a91605e8ba54c89ffc63787dee8a03172a0e229ddb60548b757d88a4
Dec 07 07:39:47.350 INFO running `"docker" "start" "-a" "5363f943a91605e8ba54c89ffc63787dee8a03172a0e229ddb60548b757d88a4"`
Dec 07 07:39:48.048 INFO [stderr] usermod: no changes
Dec 07 07:39:48.256 INFO [stderr]    Compiling maze v0.1.2 (/source)
Dec 07 07:39:56.264 INFO [stderr] warning: variable does not need to be mutable
Dec 07 07:39:56.264 INFO [stderr]    --> src/types/grid.rs:191:13
Dec 07 07:39:56.264 INFO [stderr]     |
Dec 07 07:39:56.264 INFO [stderr] 191 |         let mut grid = self;
Dec 07 07:39:56.264 INFO [stderr]     |             ----^^^^
Dec 07 07:39:56.264 INFO [stderr]     |             |
Dec 07 07:39:56.264 INFO [stderr]     |             help: remove this `mut`
Dec 07 07:39:56.264 INFO [stderr]     |
Dec 07 07:39:56.264 INFO [stderr]     = note: #[warn(unused_mut)] on by default
Dec 07 07:39:56.264 INFO [stderr] 
Dec 07 07:39:56.276 INFO [stderr] warning: the feature `proc_macro` has been stable since 1.29.0 and no longer requires an attribute to enable
Dec 07 07:39:56.276 INFO [stderr]  --> src/lib.rs:2:12
Dec 07 07:39:56.276 INFO [stderr]   |
Dec 07 07:39:56.276 INFO [stderr] 2 | #![feature(proc_macro)]
Dec 07 07:39:56.276 INFO [stderr]   |            ^^^^^^^^^^
Dec 07 07:39:56.276 INFO [stderr]   |
Dec 07 07:39:56.276 INFO [stderr]   = note: #[warn(stable_features)] on by default
Dec 07 07:39:56.276 INFO [stderr] 
Dec 07 07:40:00.067 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 12.00s
Dec 07 07:40:00.092 INFO [stderr] su: No module specific data is present
Dec 07 07:40:01.207 INFO running `"docker" "inspect" "5363f943a91605e8ba54c89ffc63787dee8a03172a0e229ddb60548b757d88a4"`
Dec 07 07:40:01.580 INFO running `"docker" "rm" "-f" "5363f943a91605e8ba54c89ffc63787dee8a03172a0e229ddb60548b757d88a4"`
Dec 07 07:40:01.988 INFO [stdout] 5363f943a91605e8ba54c89ffc63787dee8a03172a0e229ddb60548b757d88a4
Dec 07 07:40:01.996 INFO running `"docker" "create" "-v" "/mnt/big/crater/work/local/target-dirs/pr-56514/worker-7/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/target:rw,Z" "-v" "/mnt/big/crater/work/local/test-source/worker-7/pr-56514/try#6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468:/source:ro,Z" "-v" "/mnt/big/crater/work/local/cargo-home:/cargo-home:ro,Z" "-v" "/mnt/big/crater/work/local/rustup-home:/rustup-home:ro,Z" "-e" "USER_ID=1000" "-e" "SOURCE_DIR=/source" "-e" "USER_ID=1000" "-e" "CMD=cargo +6eb0fd3ac58f9b16bddb9924a17c3b6c156aa468-alt test --frozen" "-e" "CARGO_TARGET_DIR=/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/cargo-home" "-e" "RUSTUP_HOME=/rustup-home" "-m" "1536M" "--network" "none" "crater"`
Dec 07 07:40:02.496 INFO [stdout] 7707f754e57cd9f02fde0dd43eba836582adc7f65e2c9df7e10f5bd6dce800cd
Dec 07 07:40:02.498 INFO running `"docker" "start" "-a" "7707f754e57cd9f02fde0dd43eba836582adc7f65e2c9df7e10f5bd6dce800cd"`
Dec 07 07:40:03.444 INFO [stderr] usermod: no changes
Dec 07 07:40:03.672 INFO [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 0.20s
Dec 07 07:40:03.708 INFO [stderr]      Running /target/debug/deps/maze-5344f4d6189d1756
Dec 07 07:40:03.709 INFO [stdout] 
Dec 07 07:40:03.709 INFO [stdout] running 6 tests
Dec 07 07:40:03.709 INFO [stdout] test generator::sidewinder::tests::bench_generate_10x10 ... ok
Dec 07 07:40:03.713 INFO [stdout] test generator::binary::tests::bench_generate_10x10 ... ok
Dec 07 07:40:03.753 INFO [stdout] test generator::aldous_broder::tests::bench_generate_10x10 ... ok
Dec 07 07:40:04.073 INFO [stdout] test generator::binary::tests::bench_generate_100x100 ... ok
Dec 07 07:40:04.096 INFO [stdout] test generator::sidewinder::tests::bench_generate_100x100 ... ok
Dec 07 07:40:05.888 INFO [stdout] test generator::aldous_broder::tests::bench_generate_100x100 ... ok
Dec 07 07:40:05.888 INFO [stdout] 
Dec 07 07:40:05.888 INFO [stdout] test result: ok. 6 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 07:40:05.888 INFO [stdout] 
Dec 07 07:40:05.888 INFO [stderr]      Running /target/debug/deps/maze-d5685b5b0a120201
Dec 07 07:40:05.890 INFO [stdout] 
Dec 07 07:40:05.890 INFO [stdout] running 0 tests
Dec 07 07:40:05.890 INFO [stdout] 
Dec 07 07:40:05.890 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 07:40:05.890 INFO [stdout] 
Dec 07 07:40:05.890 INFO [stderr]    Doc-tests maze
Dec 07 07:40:18.552 INFO [stdout] 
Dec 07 07:40:18.552 INFO [stdout] running 0 tests
Dec 07 07:40:18.552 INFO [stdout] 
Dec 07 07:40:18.552 INFO [stdout] test result: ok. 0 passed; 0 failed; 0 ignored; 0 measured; 0 filtered out
Dec 07 07:40:18.552 INFO [stdout] 
Dec 07 07:40:18.563 INFO [stderr] su: No module specific data is present
Dec 07 07:40:19.662 INFO running `"docker" "inspect" "7707f754e57cd9f02fde0dd43eba836582adc7f65e2c9df7e10f5bd6dce800cd"`
Dec 07 07:40:20.026 INFO running `"docker" "rm" "-f" "7707f754e57cd9f02fde0dd43eba836582adc7f65e2c9df7e10f5bd6dce800cd"`
Dec 07 07:40:20.280 INFO [stdout] 7707f754e57cd9f02fde0dd43eba836582adc7f65e2c9df7e10f5bd6dce800cd